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                    1.2019-12-28-数据结构和算法的关系
            
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                    2.2019-12-28-稀疏数组
            
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                    1.2019-12-28-git-alias
            
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                    2.2019-12-29-git常用命令
            
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                    3.2019-12-31-git教程
            
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                    1.2019-12-30-beego基本使用
            
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                    [java]
            
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                    1.2019-12-30-环境变量和系统属性
            
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                    2.2019-12-31-cloud-native-云原生
            
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                    3.2019-12-31-java语法难点
            
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                    4.2019-12-31-设计模式
            
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                    5.2020-01-12-Ajax跨域问题解决方案
            
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                    7.2020-01-12-jsp运行原理和运行过程
            
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                    8.2020-01-12-深入理解Maven中的Profile
            
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                    9.2020-01-12-缓存穿透-缓存击穿-缓存雪崩概念及解决方案
            
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                    10.2020-01-13-事务笔记
            
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                    11.2020-01-13-幂等性
            
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                    12.2020-01-16-java基本语法
            
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                    [arthas]
            
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                    1.2019-12-28-arthas-example
            
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                    2.2019-12-28-arthas添加支持执行历史命令的shell功能
            
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                    3.2020-01-10-思考性能调优
            
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                    4.2020-01-10-性能调优举例-最佳实践
            
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                    5.2020-01-10-性能调优举例一
            
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                    6.2020-01-10-性能调优举例三
            
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                    7.2020-01-10-性能调优举例二
            
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                    8.2020-01-10-性能调优举例四
            
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                    9.2020-01-15-性能调优举例五
            
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                    10.2020-05-12-性能调优举例六
            
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                    11.arthas-mind-map
            
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                    [dubbo]
            
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                    1.2019-12-28-dubbo涉及的技术
            
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                    2.2019-12-30-dubbo消费者访问流程
            
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                    3.2019-12-30-dubbo面试
            
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                    [jdk]
            
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                    1.2020-01-12-实例介绍 JAVA 泛型基础
            
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                    2.2020-01-13-ThreadLocal六连问
            
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                    [jvm]
            
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                    1.2019-12-30-性能调优
            
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                    [netty]
            
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                    1.2020-01-16-netty入门
            
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                    2.2020-01-16-netty核心概念
            
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                    [solr]
            
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                <a href="../java/solr/2019-12-28-solr-7.6.0.tgz安装.html">
            
                    
                    1.2019-12-28-solr-7.6.0.tgz安装
            
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                <span>
            
                    
                    [spring]
            
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        <li class="chapter " data-level="2.13.1" data-path="../java/spring/2020-01-12-SpringBoot属性读取方式介绍.html">
            
                <a href="../java/spring/2020-01-12-SpringBoot属性读取方式介绍.html">
            
                    
                    1.2020-01-12-SpringBoot属性读取方式介绍
            
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        <li class="chapter " data-level="2.13.2" data-path="../java/spring/2020-01-12-使用spring boot+mybatis plus快速入门.html">
            
                <a href="../java/spring/2020-01-12-使用spring boot+mybatis plus快速入门.html">
            
                    
                    2.2020-01-12-使用spring boot+mybatis plus快速入门
            
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        <li class="chapter " data-level="2.13.3" data-path="../java/spring/2020-01-13-spring-initMethod-destoryMethod.html">
            
                <a href="../java/spring/2020-01-13-spring-initMethod-destoryMethod.html">
            
                    
                    3.2020-01-13-spring-initMethod-destoryMethod
            
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        <li class="chapter " data-level="2.13.4" data-path="../java/spring/2020-01-13-spring循环依赖.html">
            
                <a href="../java/spring/2020-01-13-spring循环依赖.html">
            
                    
                    4.2020-01-13-spring循环依赖
            
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        <li class="chapter " data-level="2.13.5" data-path="../java/spring/2020-01-13-spring源码随记.html">
            
                <a href="../java/spring/2020-01-13-spring源码随记.html">
            
                    
                    5.2020-01-13-spring源码随记
            
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        <li class="chapter " data-level="2.13.6" data-path="../java/spring/2020-01-13-自定义mini-spring.html">
            
                <a href="../java/spring/2020-01-13-自定义mini-spring.html">
            
                    
                    6.2020-01-13-自定义mini-spring
            
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        <li class="chapter " data-level="2.14" >
            
                <span>
            
                    
                    [websocket]
            
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        <li class="chapter " data-level="2.14.1" data-path="../java/websocket/2019-12-30-webscoket-springboot通信.html">
            
                <a href="../java/websocket/2019-12-30-webscoket-springboot通信.html">
            
                    
                    1.2019-12-30-webscoket-springboot通信
            
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                <span>
            
                    
                    [linux]
            
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        <li class="chapter " data-level="2.15.1" data-path="../linux/2019-12-28-Linux常用命令和快捷键.html">
            
                <a href="../linux/2019-12-28-Linux常用命令和快捷键.html">
            
                    
                    1.2019-12-28-Linux常用命令和快捷键
            
                </a>
            

            
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        <li class="chapter " data-level="2.15.2" data-path="../linux/2019-12-28-从零到一环境安装.html">
            
                <a href="../linux/2019-12-28-从零到一环境安装.html">
            
                    
                    2.2019-12-28-从零到一环境安装
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.3" data-path="../linux/2019-12-30-vi-常用命令.html">
            
                <a href="../linux/2019-12-30-vi-常用命令.html">
            
                    
                    3.2019-12-30-vi-常用命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.4" data-path="../linux/2019-12-31-awk命令.html">
            
                <a href="../linux/2019-12-31-awk命令.html">
            
                    
                    4.2019-12-31-awk命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.5" data-path="../linux/2019-12-31-cup信息分析.html">
            
                <a href="../linux/2019-12-31-cup信息分析.html">
            
                    
                    5.2019-12-31-cup信息分析
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.6" data-path="../linux/2019-12-31-shell编程.html">
            
                <a href="../linux/2019-12-31-shell编程.html">
            
                    
                    6.2019-12-31-shell编程
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.7" data-path="../linux/2019-12-31-top命令.html">
            
                <a href="../linux/2019-12-31-top命令.html">
            
                    
                    7.2019-12-31-top命令
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.8" data-path="../linux/2019-12-31-普通用户docker的问题.html">
            
                <a href="../linux/2019-12-31-普通用户docker的问题.html">
            
                    
                    8.2019-12-31-普通用户docker的问题
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.9" data-path="../linux/2020-01-01-centos7 安装kubernetes.html">
            
                <a href="../linux/2020-01-01-centos7 安装kubernetes.html">
            
                    
                    9.2020-01-01-centos7 安装kubernetes
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.10" data-path="../linux/2020-01-01-centos安装常用配置.html">
            
                <a href="../linux/2020-01-01-centos安装常用配置.html">
            
                    
                    10.2020-01-01-centos安装常用配置
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.11" data-path="../linux/2020-01-01-docker使用.html">
            
                <a href="../linux/2020-01-01-docker使用.html">
            
                    
                    11.2020-01-01-docker使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.12" data-path="../linux/2020-01-01-kubernetes使用.html">
            
                <a href="../linux/2020-01-01-kubernetes使用.html">
            
                    
                    12.2020-01-01-kubernetes使用
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.13" data-path="../linux/2020-05-12-PG有用的SQL.html">
            
                <a href="../linux/2020-05-12-PG有用的SQL.html">
            
                    
                    13.2020-05-12-PG有用的SQL
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.15.14" data-path="../linux/2020-05-12-vim命令.html">
            
                <a href="../linux/2020-05-12-vim命令.html">
            
                    
                    14.2020-05-12-vim命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.16" >
            
                <span>
            
                    
                    [automate]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.16.1" data-path="../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                <a href="../linux/automate/2020-01-12-redis伪集群创建脚本.html">
            
                    
                    1.2020-01-12-redis伪集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.2" data-path="../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                <a href="../linux/automate/2020-01-12-tomcat集群创建脚本.html">
            
                    
                    2.2020-01-12-tomcat集群创建脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.3" data-path="../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                <a href="../linux/automate/2020-01-12-zookeeper自动化脚本.html">
            
                    
                    3.2020-01-12-zookeeper自动化脚本
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.16.4" data-path="../linux/automate/2020-01-12-其他自动化脚本.html">
            
                <a href="../linux/automate/2020-01-12-其他自动化脚本.html">
            
                    
                    4.2020-01-12-其他自动化脚本
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.17" >
            
                <span>
            
                    
                    [MySQL]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.17.1" data-path="../MySQL/2019-12-31-mysql常用命令.html">
            
                <a href="../MySQL/2019-12-31-mysql常用命令.html">
            
                    
                    1.2019-12-31-mysql常用命令
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.18" >
            
                <span>
            
                    
                    [nginx]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.18.1" data-path="../nginx/2019-12-29-Nginx-Keepalived高可用集群.html">
            
                <a href="../nginx/2019-12-29-Nginx-Keepalived高可用集群.html">
            
                    
                    1.2019-12-29-Nginx-Keepalived高可用集群
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.18.2" data-path="../nginx/2020-01-16-nginx参数详细说明.html">
            
                <a href="../nginx/2020-01-16-nginx参数详细说明.html">
            
                    
                    2.2020-01-16-nginx参数详细说明
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.19" >
            
                <span>
            
                    
                    [other]
            
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            <ul class="articles">
                
    
        <li class="chapter " data-level="2.19.1" data-path="2019-12-28-知识小计.html">
            
                <a href="2019-12-28-知识小计.html">
            
                    
                    1.2019-12-28-知识小计
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.19.2" data-path="2020-01-04-科学上网.html">
            
                <a href="2020-01-04-科学上网.html">
            
                    
                    2.2020-01-04-科学上网
            
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        <li class="chapter active" data-level="2.19.3" data-path="2020-05-13-正则表达式.html">
            
                <a href="2020-05-13-正则表达式.html">
            
                    
                    3.2020-05-13-正则表达式
            
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        <li class="chapter " data-level="2.19.4" data-path="template.html">
            
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                    4.template
            
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            </ul>
            
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                <span>
            
                    
                    [PostgreSQL]
            
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        <li class="chapter " data-level="2.20.1" data-path="../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
                <a href="../PostgreSQL/2019-12-28-PostgreSQL安装文档.html">
            
                    
                    1.2019-12-28-PostgreSQL安装文档
            
                </a>
            

            
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        <li class="chapter " data-level="2.20.2" data-path="../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
                <a href="../PostgreSQL/2019-12-28-Postgres学习笔记.html">
            
                    
                    2.2019-12-28-Postgres学习笔记
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.3" data-path="../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                <a href="../PostgreSQL/2019-12-28-脚本MYSQL导出数据到PG.html">
            
                    
                    3.2019-12-28-脚本MYSQL导出数据到PG
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.4" data-path="../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                <a href="../PostgreSQL/2020-01-04-docker-PostgreSQL安装文档.html">
            
                    
                    4.2020-01-04-docker-PostgreSQL安装文档
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.20.5" data-path="../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                <a href="../PostgreSQL/2020-01-17-阿里云PG主从切换问题.html">
            
                    
                    5.2020-01-17-阿里云PG主从切换问题
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.21" >
            
                <span>
            
                    
                    [python]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.21.1" data-path="../python/2019-12-28-pip-install指定国内源镜像.html">
            
                <a href="../python/2019-12-28-pip-install指定国内源镜像.html">
            
                    
                    1.2019-12-28-pip-install指定国内源镜像
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.21.2" data-path="../python/2019-12-30-python内置函数.html">
            
                <a href="../python/2019-12-30-python内置函数.html">
            
                    
                    2.2019-12-30-python内置函数
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.21.3" data-path="../python/2019-12-30-一图搞懂基本python语法 .html">
            
                <a href="../python/2019-12-30-一图搞懂基本python语法 .html">
            
                    
                    3.2019-12-30-一图搞懂基本python语法 
            
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        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.22" >
            
                <span>
            
                    
                    [redis]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.22.1" data-path="../redis/2019-12-28-redis5.0.3安装.html">
            
                <a href="../redis/2019-12-28-redis5.0.3安装.html">
            
                    
                    1.2019-12-28-redis5.0.3安装
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.22.2" data-path="../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                <a href="../redis/2019-12-28-redis5.0.3集群搭建.html">
            
                    
                    2.2019-12-28-redis5.0.3集群搭建
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.23" >
            
                <span>
            
                    
                    [tool]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.23.1" data-path="../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                <a href="../tool/2019-12-28-idea高效使用技巧和快捷键.html">
            
                    
                    1.2019-12-28-idea高效使用技巧和快捷键
            
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        </li>
    
        <li class="chapter " data-level="2.23.2" data-path="../tool/2019-12-28-PlantUML画图脚本.html">
            
                <a href="../tool/2019-12-28-PlantUML画图脚本.html">
            
                    
                    2.2019-12-28-PlantUML画图脚本
            
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        </li>
    
        <li class="chapter " data-level="2.23.3" data-path="../tool/2019-12-30-vscode高效使用.html">
            
                <a href="../tool/2019-12-30-vscode高效使用.html">
            
                    
                    3.2019-12-30-vscode高效使用
            
                </a>
            

            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="2.24" >
            
                <span>
            
                    
                    [windows]
            
                </span>
            

            
            <ul class="articles">
                
    
        <li class="chapter " data-level="2.24.1" data-path="../windows/2020-01-12-本地服务成为互联网服务.html">
            
                <a href="../windows/2020-01-12-本地服务成为互联网服务.html">
            
                    
                    1.2020-01-12-本地服务成为互联网服务
            
                </a>
            

            
        </li>
    
        <li class="chapter " data-level="2.24.2" data-path="../windows/2020-01-12-注册bat为windows服务.html">
            
                <a href="../windows/2020-01-12-注册bat为windows服务.html">
            
                    
                    2.2020-01-12-注册bat为windows服务
            
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<li>HTML&#x6807;&#x8BB0;&#x7684;&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;&#xFF1A;&lt;(\S<em>?)<sup><a href="#fn_%3E" id="reffn_&gt;">&gt;</a></sup></em>&gt;.<em>?|&lt;.</em>? /&gt; ( &#x9996;&#x5C3E;&#x7A7A;&#x767D;&#x5B57;&#x7B26;&#x7684;&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;&#xFF1A;^\s<em>|\s</em>$&#x6216;(^\s<em>)|(\s</em>$) (&#x53EF;&#x4EE5;&#x7528;&#x6765;&#x5220;&#x9664;&#x884C;&#x9996;&#x884C;&#x5C3E;&#x7684;&#x7A7A;&#x767D;&#x5B57;&#x7B26;(&#x5305;&#x62EC;&#x7A7A;&#x683C;&#x3001;&#x5236;&#x8868;&#x7B26;&#x3001;&#x6362;&#x9875;&#x7B26;&#x7B49;&#x7B49;)&#xFF0C;&#x975E;&#x5E38;&#x6709;&#x7528;&#x7684;&#x8868;&#x8FBE;&#x5F0F;)</li>
<li>&#x817E;&#x8BAF;QQ&#x53F7;&#xFF1A;[1-9][0-9]{4,} (&#x817E;&#x8BAF;QQ&#x53F7;&#x4ECE;10000&#x5F00;&#x59CB;)</li>
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<li>IP&#x5730;&#x5740;&#xFF1A;((?:(?:25[0-5]|2[0-4]\d|[01]?\d?\d)\.){3}(?:25[0-5]|2[0-4]\d|[01]?\d?\d))</li>
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<h2 id="&#x5E38;&#x7528;&#x4EE3;&#x7801;">&#x5E38;&#x7528;&#x4EE3;&#x7801;</h2>
<h3 id="javascript---javascript-&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;">JavaScript - JavaScript &#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;</h3>
<pre><code class="lang-JavaScript">
<span class="hljs-keyword">var</span> pattern = <span class="hljs-comment">//,</span>
    str = <span class="hljs-string">&apos;&apos;</span>;
<span class="hljs-built_in">console</span>.log(pattern.test(str));
PHP
$str = <span class="hljs-string">&apos;&apos;</span>;
$isMatched = preg_match(<span class="hljs-string">&apos;//&apos;</span>, $str, $matches);
var_dump($isMatched, $matches);
</code></pre>
<h3 id="go&#x8BED;&#x8A00;">Go&#x8BED;&#x8A00;</h3>
<pre><code class="lang-Go"><span class="hljs-keyword">package</span> main

<span class="hljs-keyword">import</span> (
    <span class="hljs-string">&quot;fmt&quot;</span>
    <span class="hljs-string">&quot;regexp&quot;</span>
)

<span class="hljs-keyword">func</span> main() {
    str := <span class="hljs-string">&quot;&quot;</span>
    matched, err := regexp.MatchString(<span class="hljs-string">&quot;&quot;</span>, str)
    fmt.Println(matched, err)
}
</code></pre>
<h3 id="java---java-&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;">JAVA - Java &#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;</h3>
<pre><code class="lang-Java">
<span class="hljs-keyword">import</span> java.util.regex.Matcher;
<span class="hljs-keyword">import</span> java.util.regex.Pattern;

<span class="hljs-keyword">public</span> <span class="hljs-class"><span class="hljs-keyword">class</span> <span class="hljs-title">RegexMatches</span> </span>{

    <span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">static</span> <span class="hljs-keyword">void</span> <span class="hljs-title">main</span><span class="hljs-params">(String args[])</span> </span>{
        String str = <span class="hljs-string">&quot;&quot;</span>;
        String pattern = <span class="hljs-string">&quot;&quot;</span>;

        Pattern r = Pattern.compile(pattern);
        Matcher m = r.matcher(str);
        System.out.println(m.matches());
    }

}
</code></pre>
<h3 id="ruby---ruby-&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;">Ruby - Ruby &#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;</h3>
<pre><code class="lang-Ruby">
pattern = <span class="hljs-regexp">//</span>
str = <span class="hljs-string">&apos;&apos;</span>
p pattern.match(str)
</code></pre>
<h3 id="python---python-&#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;">Python - Python &#x6B63;&#x5219;&#x8868;&#x8FBE;&#x5F0F;</h3>
<pre><code class="lang-Python">
<span class="hljs-keyword">import</span> re
pattern = re.compile(<span class="hljs-string">ur&apos;&apos;</span>)
str = <span class="hljs-string">u&apos;&apos;</span>
print(pattern.search(str))
</code></pre>

                                
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